gcc/testsuite/gcc.dg/graphite/uns-interchange-9.c

   1 /* { dg-require-effective-target size32plus } */
   2
   3 #define DEBUG 0
   4 #if DEBUG
   5 #include <stdio.h>
   6 #endif
   7
   8 #define N 111
   9 #define M 111
  10
  11 static unsigned int __attribute__((noinline))
  12 foo (unsigned int *x)
  13 {
  14   int i, j;
  15   unsigned int sum = 0;
  16
  17   for (j = 0; j < M; ++j)
  18     for (i = 0;  i < N; ++i)
  19       sum += x[M * i + j];
  20
  21   return sum;
  22 }
  23
  24 extern void abort ();
  25
  26 int
  27 main (void)
  28 {
  29   unsigned int A[N*M];
  30   int i;
  31   unsigned int res;
  32
  33   for (i = 0; i < N*M; i++)
  34     A[i] = 2;
  35
  36   res = foo (A);
  37
  38 #if DEBUG
  39   fprintf (stderr, "res = %d \n", res);
  40 #endif
  41
  42   if (res != 24642)
  43     abort ();
  44
  45   return 0;
  46 }